It's really hard to make a top-quality compact lens with that kind
of zoom range. CZ has never done it, neither have Nikon or Canon.

There is a 70-300mm compact lens using DO technology from Canon. It is very compact and has a professional build quality and comes with their professional grade IS. But does not have a large constant aperture.

The picture below has a side-by-side size comparison with their 70-200 f/2.8 lens: